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https://issues.apache.org/jira/browse/MAPREDUCE-4970?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13571919#comment-13571919
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Alejandro Abdelnur commented on MAPREDUCE-4970:
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Looks good, we need to update the docs mentioning this file and what is used
for, in xdocs cluster_setup.xml.
> Child tasks (try to) create security audit log files
> ----------------------------------------------------
>
> Key: MAPREDUCE-4970
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-4970
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Affects Versions: 1.1.1
> Reporter: Sandy Ryza
> Assignee: Sandy Ryza
> Attachments: MAPREDUCE-4970.patch
>
>
> After HADOOP-8552, MR child tasks will attempt to create security audit log
> files with their user names. On an insecure cluster, this has no effect, but
> on a secure cluster, log4j will try to create log files for tasks with names
> like SecurityAuth-joeuser.log.
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